61275136670 has 32 divisors (see below), whose sum is σ = 120335448960. Its totient is φ = 22279393440.

The previous prime is 61275136669. The next prime is 61275136673. The reversal of 61275136670 is 7663157216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61275136673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1177829 + ... + 1228751.

It is an arithmetic number, because the mean of its divisors is an integer number (3760482780).

Almost surely, 2^61275136670 is an apocalyptic number.

61275136670 is a deficient number, since it is larger than the sum of its proper divisors (59060312290).

61275136670 is a wasteful number, since it uses less digits than its factorization.

61275136670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61880.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 61275136670 in words is "sixty-one billion, two hundred seventy-five million, one hundred thirty-six thousand, six hundred seventy".